Home / 54,511.20-75,226.19-30,636.45

Finding the Fourth Proportional to 54,511.20, 75,226.19 and 30,636.45

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Solution

The fourth proportional to 54,511.20, 75,226.19 and 30,636.45 is: 42,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.20 : 75,226.19 = 30,636.45 : x
  2. Step 2: Convert to fraction form
    54,511.20/75,226.19 = 30,636.45/x
  3. Step 3: Cross multiply
    54,511.20x = 75,226.19 × 30,636.45
  4. Step 4: Simplify right side
    54,511.20x = 2,304,663,255.44
  5. Step 5: Solve for x
    x = 2,304,663,255.44/54,511.20
  6. Step 6: Final answer
    x = 42,278.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.